AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GTX 285M

VS

AMD Radeon R9 M390 Mac Edition

NVIDIA GeForce GTX 285M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM GeForce GTX 285M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Released 5 years and 3 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)

896 additional rendering cores

NVIDIA GeForce GTX 285M 's Advantages

Lower TDP (75W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +410%

1.962 TFLOPS

GeForce GTX 285M

0.384 TFLOPS

Radeon R9 M390 Mac Edition

VS

GeForce GTX 285M

Graphics Card

May 2015

Release Date

Feb 2010

Crystal System

Generation

GeForce 200M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1365 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

64.00GB/s

Render Config

16

Compute Units

-

SM Count

16

1024

Shading Units

128

64

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

9.600 GPixel/s

61.31 GTexel/s

Texture Rate

38.40 GTexel/s

-

1.962 TFLOPS

FP32 (float)

384.0 GFLOPS

122.6 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

G92

Pitcairn PRO (215-0828062)

GPU Variant

N10E-GTX1-B1

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.8 billion

Transistors

0.754 billion

212 mm²

Die Size

324 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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